Delta AL472 fault code meaning
Delta / AL472
Series: ASDA-W3
Auxiliary encoder overspeed
servo drive
Meaning:
Possible causes
- With drive power supplied: Speed exceeds 8,800 rpm.
- With battery power supplied: Speed exceeds 10,000 rpm.
- Battery voltage too low.
Source: ASDA-W3 Series Servo System Application Technical Manual (DELTA_IA-ASD_ASDA-W3_UM_SC_20251226) P769